微細(xì)電火花加工智能模糊控制系統(tǒng)的研制.pdf

1、南京航空航天大學(xué)博士學(xué)位論文微細(xì)電火花加工智能模糊控制系統(tǒng)的研制姓名：裴景玉申請學(xué)位級(jí)別：博士專業(yè)：機(jī)械制造及自動(dòng)化指導(dǎo)教師：劉正塤2000.1.1垡塑皇盔壟墊三塑墼墮塑笙型墨墮塑塹型一——AbstractMicro—mechanicalisthekeytechniquetoimprovecompetitivepowerinthefuture，itwillinfluencetheworldfarbeyondthemicroelectro

2、nictechniqueanditwillinitiateanewrevolutionoftechniqueMicroEDM(MicroElectricDischargeMachining)isoneofthemostimportantmethodstocometheMicro—mechanicaltechniquetrueOntIlebasisofstudyingabundantreferencesandanalyzingtheexi

3、stingconditionsofMicroEDMmachinetoolsandtherequirementofMicroEDMmachinetools，thisdissertationpresentsdeepresearchonMicro—EDMintelligentfuzzycontrolsystembasedonPCThehardwarestructI】reofcontrolsystembasedonPC，Micro—energy

4、pulsepowerthestnlcnlreandalgorithmofintelligentfuzzymethoddigitaldetectionapproachofdischargestatesinMicroEDMandtherealizationofrealtimecontrolin也eWindows9xenvironmentarediscussedsystematicallyandthoroughlyinthisdisserta

5、tionTheintelligentfuzzycontrolsystemisdesignedandusedsuccessfullyinMicroEDMfirsttime歷esystemiscomprisedofatopleveldecisionunitwithhighintelligenceandseverallow—levelregulationunitswimlowintelligenceThealgorithmsoftheinte

6、lligentreasoningandthefuzzycontrolunitaredescribedindetailsnledischargeconditiondetectionmethods，suchasdischargetimedelay，voltagewavesampling，usedinconventionalEDM(ElectricDischargeManufacturir【曲arenotsuitablefortheMicro

7、EDMduetothehi曲frequencyanddistortionofvoltagewaveshapeInordertoavoidthelimitationofasinglesensorandteducethenegativeeffectcausedbytheuncertaintyofindividualsensors，datafusionofmulti—sensorsystemisusedtoacquiretherelevant

8、knowledgeofthetargetThispaperdescribeamulti—sensorsystemwhichisbasedonmodeltoolandappliedfortargetrecognitionandclassificationInthedatafusionprocess，afuzzyneuralnetwork(fqN)isselectedandusedforthedatafusionatoutputlevelB

9、yexperimentresult，theproposedmethodCanworkcorrectly，thecostdecreasesandthereliabilityoftherecognitionincreasesInordertocompletethedetectionsystem，ahigh—speeddataacquisitionsystemformeasurementofMicroEDMdischargestatusisd

10、esigned晰tlltheDMAandhi曲speed～Dconverter。TheshortcomingofcurrentselfcontainedmicroenergyimpuisingpowerSOurceisindicatedAmodifiedschemeispresentedAftermodifyingthewaveshapeoftheimpuisingpowersourceisimprovedremarkablyConsi

11、deringdifferentactualrequestofMicmEDM，thisdissertationdesignsintelligentfuzzycontrolsystembasedonfuzzylogic111efunctionofeachpartinsystemisanalyzedandthetheoryofthewholesystemisexpatiatedTheMicro—EDMcontrolsystemrequires